The Adventures of Arsène Lupin
Les aventures d'Arsène Lupin (original)
Starring Robert Lamoureux, Liselotte Pulver, O.E. Hasse, Daniel Ceccaldi, Georges Chamarat, Huguette Hue, Renaud Mary, Sandra Milo, Paul Müller, Henri Rollan
It's a thriller and mystery movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Ireland.